This is where the hotel is located. Large mall area with shops, restaurants, movie theater.
If you don't want to deal with going into Manhattan, then White Plains is another great option with lots to do.
This is the town where the wedding venue is located. Food, bars, movie theater, shops and much more.
The Metro North Harlem line will take you to Grand Central in a little over an hour.
The Metro North Line runs from New Rochelle to the Bronx or you can take an Uber/Lyft. (check to see if they have a home game that week/weekend).